Enable XML/JSON from API.
Merge branch 'feature/module-data' of github.com:unikent/programmes-plant into feature/extend-api-capabilitys
Actually add module tests
Include module data in output.

Fix object handling in xml output.
Merge branch 'feature/module-data' of github.com:unikent/programmes-plant into feature/extend-api-capabilitys
Merge branch 'feature/module-data' of github.com:unikent/programmes-plant into feature/extend-api-capabilitys
Merge branch 'feature/extend-api-capabilitys' of https://github.com/unikent/programmes-plant into feature/module-data
updated composer.json to point at unikent programmes-plant-modules repo